Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040702 | DC/DC power converting apparatus | Takahiro Urakabe, Matahiko Ikeda, Akihiko Iwata, Kiyoharu Anzai, Hirotoshi Maekawa +2 more | 2011-10-18 |
| 8036008 | DC/DC power converting apparatus | Matahiko Ikeda, Takahiro Urakabe, Kiyoharu Anzai, Akihiko Iwata, Hirotoshi Maekawa +2 more | 2011-10-11 |
| 7619907 | DC/DC power conversion device | Takahiro Urakabe, Matahiko Ikeda, Masaru Kobayashi, Akihiko Iwata, Tatsuya Okuda +1 more | 2009-11-17 |
| RE40528 | Voltage fluctuation compensating apparatus | Akihiko Iwata, Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Mitsugu Takahashi | 2008-10-07 |
| 7348739 | Motor driving apparatus | Takahiro Urakabe, Tatsuya Okuda, Yuuji Kuramoto | 2008-03-25 |
| 6989653 | Battery power circuit and automobile battery power circuit | Akihiko Iwata | 2006-01-24 |
| 6956305 | Voltage fluctuation compensating apparatus | Akihiko Iwata, Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Mitsugu Takahasi | 2005-10-18 |
| 6836006 | Semiconductor module | Hirotaka Muto, Takeshi Ohi, Takumi Kikuchi | 2004-12-28 |
| 6812592 | Voltage fluctuation compensating apparatus | Akihiko Iwata, Akihiro Suzuki, Hiroyuki Sasao, Kenichi Koyama, Mitsugu Takahashi | 2004-11-02 |
| 6785108 | Semiconductor equipment | Hiroshi Nakatake, Akihiko Iwata | 2004-08-31 |
| 6236110 | Power semiconductor module | Hirotaka Muto, Takeshi Ohi, Shin-ichi Kinouchi, Takeshi Horiguchi, Osamu Usui +1 more | 2001-05-22 |
| 6215185 | Power semiconductor module | Takumi Kikuchi, Hirofumi Fujioka, Hirotaka Muto, Shinichi Kinouchi, Osamu Usui +1 more | 2001-04-10 |
| 5818170 | Gyrotron system having adjustable flux density | Hiroyuki Asano | 1998-10-06 |
| 5576679 | Cylindrical permanent magnet unit suitable for gyrotron | Ken Ohashi, Takeo Takada | 1996-11-19 |